syzkaller login: [ 47.258749] ------------[ cut here ]------------ [ 47.259759] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 47.261972] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 47.263555] Modules linked in: [ 47.264237] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 47.266430] Tainted: [W]=WARN [ 47.267084] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 47.268722] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 47.269716] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 47.273117] RSP: 0018:ffff888017157bc0 EFLAGS: 00010286 [ 47.274161] RAX: 0000000000000000 RBX: ffffed1002e2af78 RCX: ffffffff813a4050 [ 47.275575] RDX: ffff888015b1d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 47.276947] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e2af2f [ 47.278296] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 47.279676] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017157df8 [ 47.281051] FS: 00007fc964cd3900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 47.282579] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.283728] CR2: 00007fc9651c5580 CR3: 000000000a0e1000 CR4: 0000000000350ef0 [ 47.285118] Call Trace: [ 47.285611] [ 47.286098] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 47.287060] ? __create_object+0x59/0x80 [ 47.287908] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 47.288940] __vmalloc_noprof+0x59/0x60 [ 47.289709] bpf_prog_alloc_no_stats+0x55/0x470 [ 47.290649] ? __pfx_seccomp_check_filter+0x10/0x10 [ 47.291645] bpf_prog_alloc+0x39/0x200 [ 47.292436] ? __pfx_seccomp_check_filter+0x10/0x10 [ 47.293408] bpf_prog_create_from_user+0xb2/0x2f0 [ 47.294376] do_seccomp+0x349/0x25e0 [ 47.295137] ? __pfx_css_rstat_updated+0x10/0x10 [ 47.296125] ? __pfx_do_seccomp+0x10/0x10 [ 47.296970] ? find_held_lock+0x2b/0x80 [ 47.297745] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 47.298776] ? static_key_count+0x60/0x80 [ 47.299649] prctl_set_seccomp+0x4e/0x70 [ 47.300477] __do_sys_prctl+0xe6c/0x1d70 [ 47.301333] ? __pfx___do_sys_prctl+0x10/0x10 [ 47.302254] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 47.303323] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 47.304387] ? irqentry_exit+0xf3/0x650 [ 47.305212] do_syscall_64+0xbf/0x430 [ 47.306011] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 47.307034] RIP: 0033:0x7fc9651c55cd [ 47.307685] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 47.310484] RSP: 002b:00007ffec8851f10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 47.311699] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc9651c55cd [ 47.312823] RDX: 000055b13f831e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 47.313945] RBP: 00007ffec8851f70 R08: 0000000000000000 R09: 00007ffec8851610 [ 47.315060] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b167a8abf0 [ 47.316196] R13: 00007ffec88523a0 R14: 000055b167a94380 R15: 000055b167a9f460 [ 47.317341] [ 47.317714] irq event stamp: 1829 [ 47.318297] hardirqs last enabled at (1839): [] __up_console_sem+0x78/0x80 [ 47.319651] hardirqs last disabled at (1848): [] __up_console_sem+0x5d/0x80 [ 47.321001] softirqs last enabled at (1370): [] handle_softirqs+0x50c/0x770 [ 47.322354] softirqs last disabled at (1363): [] __irq_exit_rcu+0xc4/0x100 [ 47.323695] ---[ end trace 0000000000000000 ]--- [ 50.110010] ------------[ cut here ]------------ [ 50.110745] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.112431] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 50.113641] Modules linked in: [ 50.114189] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.115845] Tainted: [W]=WARN [ 50.116340] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.117566] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.118523] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 50.121220] RSP: 0018:ffff888016c67bc0 EFLAGS: 00010286 [ 50.122039] RAX: 0000000000000000 RBX: ffffed1002d8cf78 RCX: ffffffff813a4050 [ 50.123095] RDX: ffff888015925340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.124182] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d8cf2f [ 50.125243] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.126318] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016c67df8 [ 50.127394] FS: 00007f2426051900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.128586] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.129474] CR2: 00007f2426543580 CR3: 000000000e481000 CR4: 0000000000350ef0 [ 50.130546] Call Trace: [ 50.130965] [ 50.131315] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.132054] ? __create_object+0x59/0x80 [ 50.132669] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.133480] __vmalloc_noprof+0x59/0x60 [ 50.134110] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.134801] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.135571] bpf_prog_alloc+0x39/0x200 [ 50.136176] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.136952] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.137660] do_seccomp+0x349/0x25e0 [ 50.138270] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.139018] ? __pfx_do_seccomp+0x10/0x10 [ 50.139645] ? find_held_lock+0x2b/0x80 [ 50.140275] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.141074] ? static_key_count+0x60/0x80 [ 50.141702] prctl_set_seccomp+0x4e/0x70 [ 50.142348] __do_sys_prctl+0xe6c/0x1d70 [ 50.142994] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.143674] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.144477] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.145276] ? irqentry_exit+0xf3/0x650 [ 50.145906] do_syscall_64+0xbf/0x430 [ 50.146489] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.147290] RIP: 0033:0x7f24265435cd [ 50.147842] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 50.150500] RSP: 002b:00007ffd32a43e80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.151652] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f24265435cd [ 50.152716] RDX: 000055e6e4c52e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.153782] RBP: 00007ffd32a43ee0 R08: 0000000000000000 R09: 00007ffd32a43580 [ 50.154847] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e700f2fb10 [ 50.155944] R13: 00007ffd32a44310 R14: 000055e700f302b0 R15: 000055e700f446f0 [ 50.157028] [ 50.157380] irq event stamp: 1769 [ 50.157913] hardirqs last enabled at (1779): [] __up_console_sem+0x78/0x80 [ 50.159188] hardirqs last disabled at (1788): [] __up_console_sem+0x5d/0x80 [ 50.160479] softirqs last enabled at (1744): [] handle_softirqs+0x50c/0x770 [ 50.161764] softirqs last disabled at (1739): [] __irq_exit_rcu+0xc4/0x100 [ 50.163018] ---[ end trace 0000000000000000 ]--- [ 50.896367] ------------[ cut here ]------------ [ 50.897374] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.899565] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 50.901185] Modules linked in: [ 50.901824] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.904002] Tainted: [W]=WARN [ 50.904591] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.906193] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.907188] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 50.910652] RSP: 0018:ffff88800f2ffbc0 EFLAGS: 00010286 [ 50.911718] RAX: 0000000000000000 RBX: ffffed1001e5ff78 RCX: ffffffff813a4050 [ 50.913130] RDX: ffff888015a30000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.914587] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e5ff2f [ 50.916004] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.917407] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f2ffdf8 [ 50.918787] FS: 00007f6bf33a2900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.920378] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.921548] CR2: 00007f6bf3894580 CR3: 00000000201ad000 CR4: 0000000000350ef0 [ 50.922936] Call Trace: [ 50.923460] [ 50.923959] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.924947] ? __create_object+0x59/0x80 [ 50.925734] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.926787] __vmalloc_noprof+0x59/0x60 [ 50.927646] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.928600] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.929645] bpf_prog_alloc+0x39/0x200 [ 50.930461] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.931492] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.932488] do_seccomp+0x349/0x25e0 [ 50.933277] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.934265] ? __pfx_do_seccomp+0x10/0x10 [ 50.935135] ? find_held_lock+0x2b/0x80 [ 50.935992] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.937065] ? static_key_count+0x60/0x80 [ 50.937953] prctl_set_seccomp+0x4e/0x70 [ 50.938739] __do_sys_prctl+0xe6c/0x1d70 [ 50.939623] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.940549] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.941622] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.942677] ? irqentry_exit+0xf3/0x650 [ 50.943536] do_syscall_64+0xbf/0x430 [ 50.944337] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.945403] RIP: 0033:0x7f6bf38945cd [ 50.946176] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 50.949625] RSP: 002b:00007ffdac1f1d00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.951107] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6bf38945cd [ 50.952522] RDX: 000055fb368b8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.953932] RBP: 00007ffdac1f1d60 R08: 0000000000000000 R09: 00007ffdac1f1400 [ 50.955356] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fb3b445ad0 [ 50.956771] R13: 00007ffdac1f2190 R14: 000055fb3b446bc0 R15: 000055fb3b457780 [ 50.958198] [ 50.958668] irq event stamp: 1755 [ 50.959403] hardirqs last enabled at (1765): [] __up_console_sem+0x78/0x80 [ 50.961038] hardirqs last disabled at (1774): [] __up_console_sem+0x5d/0x80 [ 50.962678] softirqs last enabled at (1658): [] handle_softirqs+0x50c/0x770 [ 50.964331] softirqs last disabled at (1653): [] __irq_exit_rcu+0xc4/0x100 [ 50.965336] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:28530' (ECDSA) to the list of known hosts. 2025/11/17 15:48:02 fuzzer started 2025/11/17 15:48:02 dialing manager at localhost:37895 2025/11/17 15:48:02 checking machine... 2025/11/17 15:48:02 checking revisions... [ 51.992280] kmemleak: Automatic memory scanning thread ended 2025/11/17 15:48:02 testing simple program... [ 52.080082] cgroup: Unknown subsys name 'net' [ 52.131453] cgroup: Unknown subsys name 'cpuset' [ 52.144376] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 15:48:01 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888015a58000 RCX=0000000000000000 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85f109b8 RBP=ffff888015a58a58 RSP=ffff888018f67868 R8 =0000000000080000 R9 =000000000000000d R10=0000000000000001 R11=0000000000000000 R12=ffff888015a58a80 R13=0000000000000000 R14=0000000000000001 R15=0000000000000000 RIP=ffffffff815270a2 RFL=00000046 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f2426051900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f2426016008 CR3=000000000d098000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000000297cb RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fba43e5a000 CR3=000000000bb4f000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=2031303a38343a353120373120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732031303a38343a3531203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000